1. Brief Introduction
Cold rolled metal composite basic principle will require two or more metals composite according to a certain mixture ratio and requirements, into the mill rolling compound, in mill under strong pressure, the composite metal plate and strip plastic deformation occurring in the whole section, prompted to be composite surface deformation, clean, activation, along with the formation of the planar metallurgical bonding. The basic requirement of rolling composite is a strong pressure of rolling equipment and production of composite panels with professional technology.
2. Production scale: 10000 tons / year
Product variety
The production of steel: Copper / steel composite strip, the copper / steel / copper composite belt and an aluminum / steel composite strip, aluminum / steel / aluminum composite belt, stainless steel / copper composite belt, stainless steel / steel composite belt, stainless steel / aluminum composite with other varieties.
Product specifications: 0.30~4 X 250~700mm
Raw material sources and specifications
Composite with products raw materials roll for cold rolling and annealing cutting scrap volumes, substrate provided by the iron and steel products company, the annual need 8880T, clad in the domestic market to buy in to 2220T, product quality should be in line with national standards.
Raw material specification:
Base band thickness 1 ~ 6mm
The thickness of the compound layer is 0.16 ~ 1mm
Width: 250 ~ 720mm
Roll diameter: Diameter of 610mm baseband
Double layer with diameter of 610mm
Roll diameter: Baseband volume of phi 900 Phi 2000mm
Double layer coil Phi 800 Phi 1200mm
The maximum 18t of the maximum steel strip 5T
Finished product specification:
Thickness: 0.3 ~ 4mm
Width: 250 ~ 700mm
Coil diameter: Diameter of 610mm
Roll diameter: Max. 2150mm
Max roll weight: 22T
Main technological process
Cold rolled annealing material surface
3. Main parameters of cold rolling mill
The rolling pressure: 18000KN
Max rolling speed: Min / 20m
Max unwinding speed: 10M / min
Max coiling speed: Min / 22m
The max substrate Decoil tension 95kN
The complex with maximum Decoil tension 18kN
Max winding tension: 110kN
Working roll maximum opening (new roll): 30mm
Hydraulic transmission system pressure: 14 MPa
System pressure: 28 MPa
Emergency stop deceleration 3m/s2
Quick stop deceleration 2m/s2
Normal parking deceleration 1m/s2
Max processing speed 180m/min
Unit drive mode AC drive, frequency conversion speed control
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